@misc{indiciae19f01b4e8433,
  title = {Randomized trials in orthopaedics: why, how, and when?},
  author = {A Laupacis and C H Rorabeck and R B Bourne and D Feeny and P Tugwell and D A Sim},
  year = {1989},
  url = {https://pubmed.ncbi.nlm.nih.gov/2703513/},
  note = {Source identifier: 2703513}
}